Liss A, Hakkarainen K, Jansson E
Arch Virol. 1985;85(1-2):165-70. doi: 10.1007/BF01317017.
Three of five Acholeplasma laidlawii strains were found to carry Mitomycin C inducible acholeplasmaviruses. These virus hosts were capable of propagating (1) virus homologous to the one it carried, and (2) exogenous virus while releasing induced endogenous virus.